IOWA ACADEMY OF SCIENCES. 243 



Castilleja Mutis. 



484. C. sessiliffora Pursh, Painted-cup. Dry hillsides; 



becoming scarce. 

 Pedicularis L. Lousewort. 



485. r. lanceolata Michx. Low prairies; less common 



than the following: 



486. P. canadensis L. Low woods and prairies; very 



common. 



PINGUICULACE^. 



Utriularia L. Bladderwort. 



487. U. ntlf/arls L. Common in swamps. 



488. U. inteDnedia Hayne. Rare in a marsh one mile 



east of Armstrong; a most beautiful little 

 plant. 



489. U. Di'nior L. Very rare in a marsh one and a half 



miles northeast of Armstrong. 



OROBANCHACE^. 



Thalesia Kaf. 



490. T. tiniflora (L.) Britton. {Aphyllon unifiorum 



Torr. & Gray.) North shore of " Weller Lake," 

 Armstrong Grove township; very rare. 



phrymace.-e. 

 Phryma L. 

 49L P. leptosfacluja L. Lopseed. Common in woods, 

 and introduced into artificial groves. 



PLANTAGINACE.-E. 



Plantago L. Plantain. 



492. P. tnnjor L. Dooryards and waste places. 



Probably introduced from Europe. 



493. P. riKjelii Decaisne. Growing with the last. In- 



digenous to America, but undoubtedly intro- 

 duced here. This plant or the preceding was 

 known to the Lidiaus as White Man's Foot. 



